111163331345 has 16 divisors (see below), whose sum is σ = 145529904960. Its totient is φ = 80842171200.

The previous prime is 111163331339. The next prime is 111163331371. The reversal of 111163331345 is 543133361111.

It is not a de Polignac number, because 111163331345 - 2⁸ = 111163331089 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1624115 + ... + 1691175.

It is an arithmetic number, because the mean of its divisors is an integer number (9095619060).

Almost surely, 2^111163331345 is an apocalyptic number.

It is an amenable number.

111163331345 is a deficient number, since it is larger than the sum of its proper divisors (34366573615).

111163331345 is a wasteful number, since it uses less digits than its factorization.

111163331345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97216.

The product of its digits is 9720, while the sum is 32.

Adding to 111163331345 its reverse (543133361111), we get a palindrome (654296692456).

The spelling of 111163331345 in words is "one hundred eleven billion, one hundred sixty-three million, three hundred thirty-one thousand, three hundred forty-five".